Behavioral task
behavioral1
Sample
2024-02-23_743c854189f7b32bcaf85e0c177ecfbf_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-23_743c854189f7b32bcaf85e0c177ecfbf_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-23_743c854189f7b32bcaf85e0c177ecfbf_cryptolocker
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Size
93KB
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MD5
743c854189f7b32bcaf85e0c177ecfbf
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SHA1
444509ec4d0151a571d9fcaf987d5d9f716ff8f1
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SHA256
763e494fc9501883e5e7931ecd509ca86c1bad37ecfb84754b396a3e26c3967f
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SHA512
b06507f0feefcd94fcfbc0747e019ca570d1413b47c7cb5d9209ecc3c546243fc292949465242e461067cc21870dbc5e6b003faccbd133749623bf49429d9d3c
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjgx/7:zCsanOtEvwDpjB7
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule sample CryptoLocker_set1 -
UPX dump on OEP (original entry point) 1 IoCs
resource yara_rule sample UPX -
resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-02-23_743c854189f7b32bcaf85e0c177ecfbf_cryptolocker
Files
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2024-02-23_743c854189f7b32bcaf85e0c177ecfbf_cryptolocker.exe windows:5 windows x86 arch:x86
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED
Sections
UPX0 Size: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.imports Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE